2231323020311 has 8 divisors (see below), whose sum is σ = 2781909220224. Its totient is φ = 1738693262520.

The previous prime is 2231323020307. The next prime is 2231323020323. The reversal of 2231323020311 is 1130203231322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231323020311 - 2² = 2231323020307 is a prime.

It is a super-3 number, since 3×2231323020311³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231323020341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14489110445 + ... + 14489110598.

It is an arithmetic number, because the mean of its divisors is an integer number (347738652528).

Almost surely, 2^{2231323020311} is an apocalyptic number.

2231323020311 is a deficient number, since it is larger than the sum of its proper divisors (550586199913).

2231323020311 is a wasteful number, since it uses less digits than its factorization.

2231323020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28978221061.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2231323020311 its reverse (1130203231322), we get a palindrome (3361526251633).

The spelling of 2231323020311 in words is "two trillion, two hundred thirty-one billion, three hundred twenty-three million, twenty thousand, three hundred eleven".